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Chloris virgata - feather fingergrass

Scientific Family
Poaceae
Synonyms
Chloris alba, C. alba var. aristulata, C. albertii, C. barbata var. décor, C. brachystachys, C. caudate and more. See SEINET.
Plant type
Grasses
Riparian
No

Grass Description

Origin
Introduced
Season
Warm

Disturbed areas, roadsides and wastelands, swales and desert washes. Prolific on disturbed soils after summer rains, this species can form dense stands in many areas.

Plant Community
Disturbed Areas
Low elevation
1000
High elevation
5500

General Description

A weedy, annual bunchgrass with weak, spreading stems and a shallow root system, usually decumbent (growing along the ground and then upward). Grows 24 to 48 inches in height. Distinct digitate (finger-like) branched seedhead.

Tufted annual, 4 to 30 inches tall; occasionally with stolons; sheaths smooth; stems trail and then bend upwards; ligules to 1/4 inch, irregularly dissected or fringed with hairs; blades flat or folded, 1/16 to 1/4 inch wide, smooth; digitate seedhead.

Grass type
Annual
Rhizomes
No
Stolons
No
Clump Diameter 2 ft or more
No
Bushy - highly branched
No
Height with Seedheads
24 inches or more
Seedhead Structure
Branched - fingerlike
Seedhead droops
No
First bloom month
July
Last bloom month
September

Flower Characteristics

Flowers per Spikelet
Multi-flowered
Spikelets One-Sided
Yes
Awns
1/4 inch to 1 inch
Three Awns
No
Awns bent
No
Flower and Seedhead Notes

Several slender feathery branches 1 to 3 inches long, radiating finger-like from the end of a slender, erect stem. Silky, white or pinkish cast due to numerous long awns and hairy lemmas. Spikelets in two rows along one side of the finger-like branches.

Vegetative Characteristics

Blade is hairy
Yes
Blade margins white
No
Blade cross-section
Flat
Folded

Blades 2-1/2 to 10 inches long, 1/16 to 1/3 inch wide, densely covered with short hairs or with a few long hairs.

Sheath is hairy
No
Tufts of hair top of sheath or collar
No
Ligule
Membranous and hairy
Auricles
No

Poor.